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Finding the Fourth Proportional to 252,548.79, 348,519.33 and 137,828.34

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Solution

The fourth proportional to 252,548.79, 348,519.33 and 137,828.34 is: 190,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,548.79 : 348,519.33 = 137,828.34 : x
  2. Step 2: Convert to fraction form
    252,548.79/348,519.33 = 137,828.34/x
  3. Step 3: Cross multiply
    252,548.79x = 348,519.33 × 137,828.34
  4. Step 4: Simplify right side
    252,548.79x = 48,035,840,711.81
  5. Step 5: Solve for x
    x = 48,035,840,711.81/252,548.79
  6. Step 6: Final answer
    x = 190,204.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.